Tagged “Electronics”

How do you know if you received that data correctly or whether your saved settings actually saved properly? By using a fast and easy CRC check, that's how! Here's a quick guide on performing CRC checks on data with your favourite microcontroller.

After moving house, I was having really bad signal issues with my Zigbee devices that I used in my smart home. After researching and fiddling around a lot, I fixed it and learned some skills along the way! Here's how I did it.

I wanted to be able to talk to an Arduino controller, make changes and make it do things without needing to reprogram the damn thing every time. I suceeded! Here's how I did it.

My CyberPower Value600EI uninterruptable power supply stopped working after I moved house and wouldn't turn on. Can I bring it back to life?

I'm terrified of accidentally leaving the garage door open. Lets see if I can watch and control it from my smart home?

Here's an easy and portable DIY battery box I made to go camping with my medical CPAP machine. It's also much cheaper than the official battery pack, and I can charge my phone from it too.

IoT devices use MQTT for a lot of things, but why is it so difficult when they use MQTT to send files, pictures, and videos?

Switching a computer between headphones and speakers is fiddly and annoying. Let's build something to make it easier!

In Arduino controllers, millis() rolls-over back around to zero after 49 days. How can you avoid the problems this causes?